1. Mason Howe

2. A positive number, a negative number or a zero but not a fraction or a decimal

3. A real number that can be written as: *a ratio of two integers, excluding zero as a denominator *a repeating term *a integer

4. A way of writing very large or very small numbers using a number between 1 and 10 multiplied by a power of ten.

5. A number that is equal to the sum of its proper divisors.

6. A number that can be written as a non-repeating decimal.

7. A measure of how much matter is in a certain volume.

8. Next to

9. A constant that multiplies a variable.

10. is a variant of the Pythagorean Theorem that you used back in geometry. Here's how we get from the one to the other

11. All the x values in an equation.

12. The side opposite the right angle in a right triangle.

13. The legs opposite of the hypotenuse

14. A number that can be expressed as the ratio of two integers.

15. In statistics, the difference between the largest and the smallest numbers in a data set.

16. The steepness of a line expressed as a ratio, using any two points on the line. Slope is m in the slope intercept form

17. A method for writing extremely large or small numbers compactly in which the number is shown as the product of two factors.

18. A prism is a solid figure that has two congruent, polygon-shaped bases, and other faces that are all rectangles.

19. A graph with points plotted on a coordinate plane.